{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "940f4d11",
   "metadata": {},
   "source": [
    "------------------------------------------------------\n",
    "\n",
    "* 日期：2022-10-19|week09\n",
    "* 课程：python\n",
    "* 记录人：lin\n",
    "\n",
    "-------------"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "e76e29c4",
   "metadata": {},
   "source": [
    "# 本周学习目标\n",
    "> 列表的方法\n",
    "\n",
    "\n",
    "\n",
    "\n",
    "> while循环"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "66e15259",
   "metadata": {},
   "source": [
    "## 1.列表的方法\n",
    "\n",
    ">1.使用Tab键查看列表的方法\n",
    "\n",
    ">2.使用help（查看方法的使用和规则）"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "181467af",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['jack', 'alex', 'marry', 'jan']"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "names=[\"jack\",\"alex\",\"marry\",\"jan\"]\n",
    "names"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "72cdbd40",
   "metadata": {},
   "source": [
    "## 1.1 列表的增加"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "69655d87",
   "metadata": {},
   "outputs": [],
   "source": [
    "names.append(\"lihua\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "6c2b7a8f",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['jack', 'alex', 'marry', 'jan', 'lihua']"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "names"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "559d4eab",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Help on built-in function append:\n",
      "\n",
      "append(object, /) method of builtins.list instance\n",
      "    Append object to the end of the list.\n",
      "\n"
     ]
    }
   ],
   "source": [
    "help(names.append)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "7428acfb",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Help on built-in function insert:\n",
      "\n",
      "insert(index, object, /) method of builtins.list instance\n",
      "    Insert object before index.\n",
      "\n"
     ]
    }
   ],
   "source": [
    "help(names.insert)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "c6badb08",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['jack', 'alex', 'marry', 'jan', 'lihua']"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "names"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "e7044298",
   "metadata": {},
   "outputs": [],
   "source": [
    "names.insert(2,\"zhichao\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "d434e5bb",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['jack', 'alex', 'zhichao', 'marry', 'jan', 'lihua']"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "names"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "db89170c",
   "metadata": {},
   "source": [
    "## 列表的删除"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "76433685",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Help on built-in function remove:\n",
      "\n",
      "remove(value, /) method of builtins.list instance\n",
      "    Remove first occurrence of value.\n",
      "    \n",
      "    Raises ValueError if the value is not present.\n",
      "\n"
     ]
    }
   ],
   "source": [
    "help(names.remove)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "af172d2e",
   "metadata": {},
   "outputs": [],
   "source": [
    "names.remove(\"zhichao\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "id": "e864fc85",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['jack', 'alex', 'marry', 'jan', 'lihua']"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "names"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "2ce6d5c0",
   "metadata": {},
   "source": [
    "* 正确的删除方法的流程\n",
    "\n",
    "> 1.查询value是否存在列表当中\n",
    "\n",
    "> 2.对存在的value进行删除"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "id": "085c0b7f",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "\"wang\"in names"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "id": "460ed845",
   "metadata": {},
   "outputs": [
    {
     "ename": "ValueError",
     "evalue": "list.remove(x): x not in list",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mValueError\u001b[0m                                Traceback (most recent call last)",
      "Input \u001b[1;32mIn [13]\u001b[0m, in \u001b[0;36m<cell line: 1>\u001b[1;34m()\u001b[0m\n\u001b[1;32m----> 1\u001b[0m \u001b[43mnames\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mremove\u001b[49m\u001b[43m(\u001b[49m\u001b[38;5;124;43m\"\u001b[39;49m\u001b[38;5;124;43mwang\u001b[39;49m\u001b[38;5;124;43m\"\u001b[39;49m\u001b[43m)\u001b[49m\n",
      "\u001b[1;31mValueError\u001b[0m: list.remove(x): x not in list"
     ]
    }
   ],
   "source": [
    "names.remove(\"wang\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "id": "cb13b258",
   "metadata": {},
   "outputs": [],
   "source": [
    "if \"wang\"in names:\n",
    "    names.remove(\"wang\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "id": "58747c9e",
   "metadata": {},
   "outputs": [],
   "source": [
    "# 实践：删除系统\n",
    "## 1.如果输入的值存在，删除； 2.如果输入的值不存在，提示用户查询无结果"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "id": "0fe47d90",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['jack', 'alex', 'marry', 'jan']"
      ]
     },
     "execution_count": 17,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "names"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "id": "442c049a",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "请输入要删除的内容：zhichao\n",
      "您输入的结果不存在，删除无效\n",
      "['jack', 'ales', 'marry', 'jan', 'lihua']\n"
     ]
    }
   ],
   "source": [
    "user_input_name=input(\"请输入要删除的内容：\")\n",
    "if user_input_name in names:\n",
    "    names.remove(user_input_name)\n",
    "else:\n",
    "    print(\"您输入的结果不存在，删除无效\")\n",
    "print(names)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "id": "f08de130",
   "metadata": {},
   "outputs": [],
   "source": [
    "# 重新建立names列表数据\n",
    "names=[\"jack\",\"ales\",\"marry\",\"jan\",\"lihua\"]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "7fca1926",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['jack', 'ales', 'marry', 'jan', 'lihua']"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "names"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "87e5995d",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Help on built-in function remove:\n",
      "\n",
      "remove(value, /) method of builtins.list instance\n",
      "    Remove first occurrence of value.\n",
      "    \n",
      "    Raises ValueError if the value is not present.\n",
      "\n"
     ]
    }
   ],
   "source": [
    "help(names.remove)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "2cf70bd4",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Help on built-in function pop:\n",
      "\n",
      "pop(index=-1, /) method of builtins.list instance\n",
      "    Remove and return item at index (default last).\n",
      "    \n",
      "    Raises IndexError if list is empty or index is out of range.\n",
      "\n"
     ]
    }
   ],
   "source": [
    "help(names.pop)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "eeec3fca",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'jan'"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "names.pop() # 直接使用pop()，删除最后一位"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "d8a631d5",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['jack', 'alex', 'marry']"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "names"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "0d9a6681",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'marry'"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "names.pop(2)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "a84042f9",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['jack', 'alex']"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "names"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "d59c1aaa",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "len(names)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "fd098e08",
   "metadata": {},
   "outputs": [],
   "source": [
    "pop_index=int(input(\"输入删除的索引值：\"))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "204f0f38",
   "metadata": {},
   "outputs": [],
   "source": [
    "if pop_index<len(names):\n",
    "    names.pop(pop_index)\n",
    "    print(\"删除成功！\")\n",
    "else:\n",
    "    print(\"您输入的值不在index的范围内\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "6a91ebdd",
   "metadata": {},
   "outputs": [],
   "source": [
    "names"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "b1894733",
   "metadata": {},
   "source": [
    "## 4.列表的其他方法"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "ba73910e",
   "metadata": {},
   "outputs": [],
   "source": [
    "names=[\"jack\",\"alex\",\"marry\",\"jan\",\"lihua\"]\n",
    "names"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "bb4e83c8",
   "metadata": {},
   "outputs": [],
   "source": [
    "names.clear()\n",
    "names"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "bbc16c66",
   "metadata": {},
   "outputs": [],
   "source": [
    "names_class1=[\"jack\",\"alex\",\"marry\",\"jan\",\"lihua\"]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "3652d4bc",
   "metadata": {},
   "outputs": [],
   "source": [
    "names_class1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "dc145c81",
   "metadata": {},
   "outputs": [],
   "source": [
    "help(name.extend)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "b6a77e9c",
   "metadata": {},
   "outputs": [],
   "source": [
    "names_class2=[\"李晓峰\",\"王丽\",\"刘明\"]\n",
    "names_class2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "3713cd5e",
   "metadata": {},
   "outputs": [],
   "source": [
    "names_class1.extend(names_class2) # 注意：使用列表的方法的列表进行扩展"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "f9aab9a5",
   "metadata": {},
   "outputs": [],
   "source": [
    "names_class1"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "2b5ca483",
   "metadata": {},
   "source": [
    "-------------------------------------------------\n",
    "* sort()排序"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "d298ae56",
   "metadata": {},
   "outputs": [],
   "source": [
    "立定跳远_男生=[230,250,245,255,260,270]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "fc1c2502",
   "metadata": {},
   "outputs": [],
   "source": [
    "help(立定跳远_男生.sort)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "6b32d2fe",
   "metadata": {},
   "outputs": [],
   "source": [
    "立定跳远_男生"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "5ad38736",
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "markdown",
   "id": "24423401",
   "metadata": {},
   "source": [
    "## 2.while循环\n",
    "\n",
    "* while True是循环概念中非常重要的一种方式，它可以现实for循环的指定次数，也可以在特地条件下停止。"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "d153050d",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "你是风儿我是沙，缠缠绵绵到天涯... 0\n",
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      "你是风儿我是沙，缠缠绵绵到天涯... 44\n",
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      "你是风儿我是沙，缠缠绵绵到天涯... 46\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 47\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 48\n",
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      "你是风儿我是沙，缠缠绵绵到天涯... 50\n",
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      "你是风儿我是沙，缠缠绵绵到天涯... 52\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 53\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 54\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 55\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 56\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 57\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 58\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 59\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 60\n",
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      "你是风儿我是沙，缠缠绵绵到天涯... 62\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 63\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 64\n",
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      "你是风儿我是沙，缠缠绵绵到天涯... 69\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 70\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 71\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 72\n",
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      "你是风儿我是沙，缠缠绵绵到天涯... 77\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 78\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 79\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 80\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 81\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 82\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 83\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 84\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 85\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 86\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 87\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 88\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 89\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 90\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 91\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 92\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 93\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 94\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 95\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 96\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 97\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 98\n",
      "你是风儿我是沙，缠缠绵绵到天涯... 99\n"
     ]
    }
   ],
   "source": [
    "# 它可以实现for循环的指定次数\n",
    "count=0\n",
    "while True:\n",
    "    print(\"你是风儿我是沙，缠缠绵绵到天涯...\",count)\n",
    "    count=count+1\n",
    "    if count==100:\n",
    "        break"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "62e8acd1",
   "metadata": {},
   "outputs": [],
   "source": [
    "## 小游戏：猜数字，\n",
    "# 1.hide_card:0-100,大了，小了\n",
    "# 2.guess_digit:50\n",
    "count=0\n",
    "hide_card=int(input(\"hide_card:\"))\n",
    "\n",
    "while True:\n",
    "    guess_digit=int(input(\"猜一猜(0-100):\"))\n",
    "\n",
    "    # 对比：\n",
    "    if hide_card==guess_digit:\n",
    "        print(\"你超棒！！！\")\n",
    "        break\n",
    "    elif guess_digit>hide_card:\n",
    "        print(\"往小猜！加油！\")\n",
    "    else:\n",
    "        print(\"往大的猜！\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "d7ad111a",
   "metadata": {},
   "outputs": [],
   "source": []
  }
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